Ex·hil`a·ra'tion noun [ Latin , exhilaratio .] 1. The act of enlivening the spirits; the act of making glad or cheerful; a gladdening. 2. The state of being enlivened or cheerful. « Exhilaration hath some affinity with joy, though it be a much lighter motion.... Found on http://www.encyclo.co.uk/webster/E/86